package Socket;

import java.io.IOException;
import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.nio.charset.StandardCharsets;

public class Server4 {
    private ServerSocket serverSocket;
    public Server4(){
        try {
            System.out.println("正在启动服务端...");
            serverSocket=new ServerSocket(8080);
            System.out.println("服务端已启动!");
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
    public void start(){
        try {
            System.out.println("正在等待客户链接...");
            Socket socket=serverSocket.accept();
            System.out.println("一个客户链接了!");
            InputStream in=socket.getInputStream();

            int len;
            while ((len=in.read())!=-1) {

                byte[] data=new byte[len];
                in.read(data);
                String message=new String(data, StandardCharsets.UTF_8);
                System.out.println("客户端发送的数据是："+message);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        Server4 server=new Server4();
        server.start();
    }
}
